410 Conil Way, Portola Valley, California 94028, Portola Valley, 94028 - 5 bed, 4 bath
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Portola Valley, California 94028
This Mid-Century Modern Architectural Gem is listed at $4,288,000, representing a stable and fair valuation at its $4,288,000 Fair Market Value. Boasting a Good Condition Rating, this Alan Blair-designed retreat features panoramic Silicon Valley views, authentic Herman Miller fixtures, and a remodeled lower level with dual Tesla chargers. The property offers a rare lifestyle sanctuary within the prestigious Las Lomitas Elementary School district (rated 10/10). This move-in-ready estate is an exceptional match for design enthusiasts or luxury-seeking families prioritizing architectural pedigree and top-tier education.
Property is move-in ready.
Although built in 1964, the property is exceptionally well-maintained and move-in ready. The kitchen and some flooring appear dated (Fair category), but the home features a recently remodeled lower level, updated electrical systems with two Tesla chargers, and pristine architectural preservation. The combination of recent renovations in the lower living areas and high-end maintenance of the original structure justifies a Good rating.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 19496, living area = 4220.
Elementary School: Las Lomitas Elementary School (10/10).
Designed by architect Alan Blair, this Mid-Century Modern masterpiece features iconic walls of glass, high ceilings, and authentic Herman Miller fixtures, offering significant appeal to design enthusiasts.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 4220, other record living area = 2940.
The property has undergone five significant price reductions since its initial listing, which may signal a disconnect between the original asking price and current market demand.
As a 1964 Mid-Century build with expansive walls of glass, the home likely faces challenges with thermal insulation and energy costs compared to contemporary construction standards.
Mid-Century Modern enthusiasts will delight in this one of a kind architectural gem. Designed by architect Alan Blair, this home boasts blissful views reaching from San Francisco to Santa Clara. An entertainers dream! Tucked away from the flats, this stunning retreat is quiet and private. The home boasts three large decks, a hot tub, two gas fireplaces, an expansive remodeled lower level and two Tesla chargers in the garage, five bedrooms and three and a half bathrooms, an office upstairs and two living areas. The dining room contains Herman Miller light fixtures and high ceilings meet walls of expansive glass to thrill and entertain guests. Come claim this magical home that some have said has the best views in the Silicon Valley.
No exterior & parking available.
Grades K-3 • 1.5 mi
Grades K-3 • 2.8 mi
Grades 4-8 • 2.1 mi
No sensitive facilities data found.
| Feature | Subject | Average Home | Neighborhood Ranking (50 Listings) |
|---|---|---|---|
| Beds | 5.0 | 4.0 | 86% |
| Baths | 4.0 | 4.0 | 50% |
| Square foot | 4,220 | 3,070 | 86% |
| Lot Size | 19,496 | 19,786 | 50% |
| Price | $4.29M | $4.01M | 64% |
| Price per sq ft | $1.0K | $1.3K | 23% |
| Built year | 1964 | 1967 | 45% |
| HOA | $0 | $0 | 50% |
| Days on market | 117 | 188 | 23% |
Apr 8, 2026
$4,288,000
$4,388,000
-2% Price Drop
Initial Listing
Mar 26, 2026
$4,388,000
$4,495,000
-2% Price Drop
Initial Listing
Feb 26, 2026
$4,495,000
$4,650,000
-3% Price Drop
Initial Listing
Feb 13, 2026
$4,650,000
$4,700,000
-1% Price Drop
Initial Listing
Jan 24, 2026
$4,700,000
$4,888,000
-4% Price Drop
Initial Listing
Dec 26, 2025
$4,888,000
Initial Listing
May 19, 2022
$4,200,000
Public Record
Feb 10, 2015
$2,750,000
Public Record